/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.nifi.bootstrap.command.io;

import org.slf4j.Logger;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Objects;

/**
 * Logger implementation responsible for reading and logging stream of lines
 */
public class LoggerResponseStreamHandler implements ResponseStreamHandler {
    private final Logger logger;

    public LoggerResponseStreamHandler(final Logger logger) {
        this.logger = Objects.requireNonNull(logger);
    }

    @Override
    public void onResponseStream(final InputStream responseStream) {
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(responseStream))) {
            reader.lines().forEach(logger::info);
        } catch (final IOException e) {
            logger.warn("Read response stream failed", e);
        }
    }
}
